gistfile1.py

 def test_exception_and_masking_password(self):
    fd, tmpfilename = tempfile.mkstemp()
    fp = os.fdopen(fd, 'w+')

    with open(tmpfilename, 'w') as fp:
        fp.write('#!/bin/bash\n'
                 '# This is to test stdout and stderr\n'
                 '# when a non-zero exit code is returned\n'
                 'echo "This goes to stdout"\n'
                 'echo "This goes to stderr" 1>&2\n'
                 ' exit 38\n')
        os.chmod(tmpfilename, 0o755)

    err = self.assertRaises(processutils.ProcessExecutionError,
                            processutils.execute,
                            tmpfilename, 'password="secret"', 'something')

    self.assertEqual(err.exit_code, 38)
    self.assertTrue(err.stdout == "This goes to stdout\n")
    self.assertTrue(err.stderr == "This goes to stderr\n")
    self.assertTrue(err.cmd == tmpfilename + ' ' +
                    'password="***" something')
    self.assertFalse('password="secret"' in err.cmd)
    self.assertTrue('password="***"' in err.cmd)
    os.unlink(tmpfilename)